Citations to this article
Citation Information: J Clin Invest. 2010;120(12):4410-4414. https://doi.org/10.1172/JCI44213.
Abstract
Recent genome-wide association studies have identified a genetic locus at human chromosome 8q24 as having minor alleles associated with lower levels of plasma triglyceride (TG) and LDL cholesterol (LDL-C), higher levels of HDL-C, as well as decreased risk for myocardial infarction. This locus contains only one annotated gene, tribbles homolog 1 (TRIB1), which has not previously been implicated in lipoprotein metabolism. Here we demonstrate a role for Trib1 as a regulator of lipoprotein metabolism in mice. Hepatic-specific overexpression of Trib1 reduced levels of plasma TG and cholesterol by reducing VLDL production; conversely, Trib1-knockout mice showed elevated levels of plasma TG and cholesterol due to increased VLDL production. Hepatic Trib1 expression was inversely associated with the expression of key lipogenic genes and measures of lipogenesis. Thus, we provide functional evidence for what we believe to be a novel gene regulating hepatic lipogenesis and VLDL production in mice that influences plasma lipids and risk for myocardial infarction in humans.
Authors
Ralph Burkhardt, Sue-Anne Toh, William R. Lagor, Andrew Birkeland, Michael Levin, Xiaoyu Li, Megan Robblee, Victor D. Fedorov, Masahiro Yamamoto, Takashi Satoh, Shizuo Akira, Sekar Kathiresan, Jan L. Breslow, Daniel J. Rader
Total citations by year
Citations to this article in year 2017 (6)
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S Soubeyrand, A Martinuk, R McPherson |
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EE Pashos, YS Park, X Wang, A Raghavan, W Yang, D Abbey, DT Peters, J Arbelaez, M Hernandez, N Kuperwasser, W Li, Z Lian, Y Liu, W Lv, SL Lytle-Gabbin, DH Marchadier, P Rogov, J Shi, KJ Slovik, IM Stylianou, L Wang, R Yan, X Zhang, S Kathiresan, SA Duncan, TS Mikkelsen, EE Morrisey, DJ Rader, CD Brown, K Musunuru |
Cell Stem Cell | 2017 |
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Tribbles homolog 1 enhances cholesterol efflux from oxidized low-density lipoprotein-loaded THP-1 macrophages
Y Fu, Y Zhao, B Huang |
Experimental and therapeutic medicine | 2017 |
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Nature Genetics | 2017 |
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